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MAX488EESA/GG8

MAX488EESA/GG8

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: RS-485/RS-422 Transceiver
  • Characteristics: High-speed, low-power, half-duplex communication
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Provides a robust and reliable interface for long-distance data communication
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Data Rate: Up to 2.5 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Number of Drivers/Receivers: 1 driver, 1 receiver
  • Driver Output Current: ±60mA
  • Receiver Input Voltage Range: ±12V
  • Shutdown Mode: Low power consumption when not in use

Pin Configuration

The MAX488EESA/GG8 has the following pin configuration:

  1. DE (Driver Enable)
  2. RE (Receiver Enable)
  3. A (Non-Inverting Driver Output / Receiver Input)
  4. B (Inverting Driver Output / Receiver Input)
  5. GND (Ground)
  6. B (Inverting Driver Output / Receiver Input)
  7. A (Non-Inverting Driver Output / Receiver Input)
  8. VCC (Supply Voltage)

Functional Features

  • Supports RS-485 and RS-422 standards
  • Allows half-duplex communication over long distances
  • Provides high noise immunity and common-mode rejection
  • Enables multi-point communication using a single bus
  • Supports hot-swapping and glitch-free power-up/down
  • Features thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High-speed data transmission - Low power consumption - Robust and reliable communication - Wide operating temperature range

Disadvantages: - Limited to half-duplex communication - Requires external components for full functionality

Working Principles

The MAX488EESA/GG8 is a transceiver IC designed for RS-485/RS-422 communication. It uses differential signaling to transmit and receive data over long distances. The driver section converts the logic-level signals into balanced differential voltages, while the receiver section converts the differential voltages back into logic-level signals. This allows for noise immunity and long-distance communication.

Detailed Application Field Plans

The MAX488EESA/GG8 is commonly used in various industrial applications, including:

  1. Building Automation Systems
  2. Industrial Control Systems
  3. Process Control Equipment
  4. HVAC (Heating, Ventilation, and Air Conditioning) Systems
  5. Security Systems
  6. Data Communication Networks
  7. Instrumentation and Measurement Systems

Alternative Models

Here are some alternative models that can be considered as alternatives to the MAX488EESA/GG8:

  1. SN65HVD485E
  2. LTC2850
  3. ADM2483
  4. SP3485
  5. MAX485E

These models offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the MAX488EESA/GG8 is a high-performance RS-485/RS-422 transceiver IC. It provides reliable and robust communication over long distances, making it suitable for various industrial applications. With its low power consumption and wide operating temperature range, it offers an efficient solution for data transmission in demanding environments.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX488EESA/GG8 v technických řešeních

  1. What is the MAX488EESA/GG8?

    • The MAX488EESA/GG8 is a low-power, slew-rate-limited transceiver for RS-485 and RS-422 communication.
  2. What is the operating voltage range of MAX488EESA/GG8?

    • The operating voltage range is from 4.75V to 5.25V.
  3. What is the maximum data rate supported by MAX488EESA/GG8?

    • The maximum data rate supported is 250kbps.
  4. Can MAX488EESA/GG8 be used in industrial automation applications?

    • Yes, it is suitable for industrial automation due to its robustness and noise immunity.
  5. Does MAX488EESA/GG8 have built-in protection features?

    • Yes, it has short-circuit and thermal shutdown protection.
  6. What is the typical quiescent current consumption of MAX488EESA/GG8?

    • The typical quiescent current consumption is 120µA.
  7. Is MAX488EESA/GG8 compatible with standard RS-485 and RS-422 protocols?

    • Yes, it is fully compatible with both protocols.
  8. Can MAX488EESA/GG8 be used in automotive applications?

    • Yes, it can be used in automotive applications due to its wide operating temperature range.
  9. What is the package type of MAX488EESA/GG8?

    • It comes in a 8-pin SOIC package.
  10. Are there any application notes or reference designs available for MAX488EESA/GG8?

    • Yes, Maxim Integrated provides comprehensive application notes and reference designs for MAX488EESA/GG8.